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Selective Preparation of Mo2N and MoN with High Surface Area for Flexible SERS Sensing
Nano Letters ( IF 9.6 ) Pub Date : 2021-05-10 , DOI: 10.1021/acs.nanolett.1c01099 Xiaoyu Song 1, 2 , Wencai Yi 3 , Junfang Li 1 , Qinghong Kong 2 , Hua Bai 1 , Guangcheng Xi 1
Nano Letters ( IF 9.6 ) Pub Date : 2021-05-10 , DOI: 10.1021/acs.nanolett.1c01099 Xiaoyu Song 1, 2 , Wencai Yi 3 , Junfang Li 1 , Qinghong Kong 2 , Hua Bai 1 , Guangcheng Xi 1
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γ-Mo2N and δ-MoN are the two most important molybdenum nitrides, but controllable preparation of them with high surface area has not been achieved. Herein, we achieved selective preparation of γ-Mo2N and δ-MoN. The key factor for the selective preparation of γ-Mo2N and δ-MoN is to control the crystal phase of the precursor MoO3. In H2O and NH3 mixed gas, the α-MoO3 nanoribbons are nitridated to obtain γ-Mo2N single-crystal porous nanobelts, while the h-MoO3 prisms are nitrided to obtain δ-MoN hierarchical porous columns. The corrosion effect of H2O plays a key role in the formation of single-crystal porous structure. The γ-Mo2N flexible membrane composed of the single-crystal porous nanobelts exhibits strong localized surface plasmon resonance and surface enhanced Raman scattering effect, which show highly sensitive response to polychlorinated phenol.
中文翻译：
选择性制备具有高表面积的Mo 2 N和MoN以实现灵活的SERS传感
γ-沫2 N和δ-MON是两个最重要的钼的氮化物，但它们中的可控制备具有高表面积一直没有实现。在此，我们实现了γ-沫选择性制备2 N和δ-MON。对于γ-Mo系的选择性制备的关键因素2 N和δ-MON是控制前体的MoO的晶相3。以h 2 O和NH 3的混合气体中，α-的MoO 3个纳米带氮化，得到γ-沫2 N个单结晶多孔纳米带，而H-的MoO 3棱镜氮化，得到δ-MON分级多孔列。H 2的腐蚀作用O在单晶多孔结构的形成中起关键作用。所述γ-沫2单晶多孔纳米带展品由N柔性膜强局部表面等离子体共振和表面增强拉曼散射的效果，这表明多氯化苯酚高度敏感响应。
更新日期：2021-05-26
中文翻译：
选择性制备具有高表面积的Mo 2 N和MoN以实现灵活的SERS传感
γ-沫2 N和δ-MON是两个最重要的钼的氮化物，但它们中的可控制备具有高表面积一直没有实现。在此，我们实现了γ-沫选择性制备2 N和δ-MON。对于γ-Mo系的选择性制备的关键因素2 N和δ-MON是控制前体的MoO的晶相3。以h 2 O和NH 3的混合气体中，α-的MoO 3个纳米带氮化，得到γ-沫2 N个单结晶多孔纳米带，而H-的MoO 3棱镜氮化，得到δ-MON分级多孔列。H 2的腐蚀作用O在单晶多孔结构的形成中起关键作用。所述γ-沫2单晶多孔纳米带展品由N柔性膜强局部表面等离子体共振和表面增强拉曼散射的效果，这表明多氯化苯酚高度敏感响应。
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